QA1 Rear Suspension Kit - Single Adjustable - Brace Bar / Panhard Bar / Shocks / Springs / Trailing Arms / Hardware - C-Notch Kit - Steel - Black Powder Coat - C10 - GM Full-Size Truck 1963-72 AA0700AG1R55 Accepts many common 5 1/8

Accepts many common 5 1/8 OEM or aftermarket air cleaner assemblies

The Snell SA2020 testing requirements have changed a small amount and have now become more in line with the FIA 8859 Helmet Standard

Premium Hardware: High quality premium clamps ensures the most secure installation available

Wiring the system will take only an hour

Standard volume performance upgrade for M-77

QA1 Rear Suspension Kit - Single Adjustable - Brace Bar / Panhard Bar / Shocks / Springs / Trailing Arms / Hardware - C-Notch Kit - Steel - Black Powder Coat - C10 - GM Full-Size Truck 1963-72 AA0700AG1R55 Accepts many common 5 1/8QA1's C10 bolt on rear suspension system is designed to convert trucks originally equipped with a coil spring rear suspension to coil overs. This system offers up to 6" of total drop and integrates adjustability into multiple areas so you can truly fine tune the geometry to create the perfect performance after lowering. , , By converting the coil spring rear suspension to adjustable coil overs, the ride height for each corner can be altered for that